Meth and the Brain. 1  Meth releases a surge of dopamine, causing an intense rush of pleasure or prolonged sense of euphoria. 2  Over time, meth destroys dopamine receptors, making it impossible to feel pleasure. 3  Although these pleasure centers can heal over time, research suggests that damage to users' cognitive abilities may be permanent.
stabilizing. 1  transitive verb. 2  1 : to make stable, steadfast, or firm. 3  2 : to hold steady: such asa : to maintain the stability of (as an airplane) by means of a stabilizerb : to limit fluctuations of (as prices)c : to establish a minimum price for.  intransitive 1  verb. : to become stable, firm, or steadfast.
Soil Amelioration Sand (Coarse). Soil amelioration sand is a washed, hydrosized sand designed to STRI recommendations for the amelioration of soil. Soil amelioration sand is designed to create a well structured soil with air-filled soil pores, as recommended by STRI for sports pitches...but it works nicely for vegetables too!Gardening books often say 'use sharp sand'.oil amelioration is normally done by blending 2 parts sand to 1 part of soil, the aim being to arrive at a loam (for an exact blend for your particular soil, professional advice should be taken). Our soil amelioration sand has a pH of approximately 8.0.